Example usage for com.fasterxml.jackson.databind MappingIterator readAll

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind MappingIterator readAll.

Prototype

public List<T> readAll() throws IOException 

Source Link

Document

Convenience method for reading all entries accessible via this iterator

Usage

From source file:ed.cracken.code.SimpleTestExp1.java

public static List<Map<?, ?>> readObjectsFromCsv(String file) throws IOException {
    CsvSchema bootstrap = CsvSchema.emptySchema().withHeader();
    CsvMapper csvMapper = new CsvMapper();
    MappingIterator<Map<?, ?>> mappingIterator = csvMapper.reader(Map.class).with(bootstrap).readValues(file);

    return mappingIterator.readAll();
}

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From source file:org.nuxeo.connect.tools.report.viewer.Viewer.java

public static PrintStream printThreadDeadlocked(MappingIterator<Long> values, PrintStream out)
        throws IOException {
    out.print("deadlocked " + Arrays.toString(values.readAll().toArray()));
    return out;/*from w  w  w. ja  va 2 s .c  o  m*/
}

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From source file:org.nuxeo.connect.tools.report.viewer.Viewer.java

public static PrintStream printThreadMonitorDeadlocked(MappingIterator<Long> values, PrintStream out)
        throws IOException {
    out.print("monitor deadlocked " + Arrays.toString(values.readAll().toArray()));
    return out;/*from w  w w.  j ava2  s. co  m*/
}

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From source file:org.apache.nifi.processors.ParseCSV.ParseCSV.java

public static List<Map<?, ?>> readObjectsFromCsv(InputStream is) throws IOException {
    CsvSchema bootstrap = CsvSchema.emptySchema().withHeader();
    CsvMapper csvMapper = new CsvMapper();
    MappingIterator<Map<?, ?>> mappingIterator = csvMapper.reader(Map.class).with(bootstrap).readValues(is);

    return mappingIterator.readAll();
}

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From source file:org.opentestsystem.ap.ivs.service.ValidationUtility.java

public List<ErrorReport> parseErrorReport(final Path reportFolder) {
    final Path errorFilePath = reportFolder.resolve(this.ivsProperties.getErrorReportFileName());
    try {/*ww w . ja va  2  s.  co m*/
        final MappingIterator<ErrorReport> results = new CsvMapper().readerWithTypedSchemaFor(ErrorReport.class)
                .readValues(errorFilePath.toFile());
        return results.readAll();
    } catch (IOException e) {
        throw new SystemException("Error converting item history list to CSV", e);
    }
}

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From source file:datadidit.helpful.hints.processors.csv.converter.ConvertCSVToJSON.java

public List<Map<?, ?>> readObjectsFromCsv(String fileContent) throws JsonProcessingException, IOException {
    CsvMapper csvMapper = new CsvMapper();
    MappingIterator<Map<?, ?>> mappingIterator = csvMapper.readerFor(Map.class).with(schema)
            .readValues(fileContent);/*  ww  w.j av a2  s. co  m*/

    return this.fixMap(mappingIterator.readAll());
}

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From source file:com.streamsets.datacollector.execution.store.FilePipelineStateStore.java

@Override
public List<PipelineState> getHistory(String pipelineName, String rev, boolean fromBeginning)
        throws PipelineStoreException {
    if (!pipelineDirExists(pipelineName, rev) || !pipelineStateHistoryFileExists(pipelineName, rev)) {
        return Collections.emptyList();
    }/*from  w ww  . j a  v  a2  s .com*/
    try (Reader reader = new FileReader(getPipelineStateHistoryFile(pipelineName, rev))) {
        ObjectMapper objectMapper = ObjectMapperFactory.get();
        JsonParser jsonParser = objectMapper.getFactory().createParser(reader);
        MappingIterator<PipelineStateJson> pipelineStateMappingIterator = objectMapper.readValues(jsonParser,
                PipelineStateJson.class);
        List<PipelineStateJson> pipelineStateJsons = pipelineStateMappingIterator.readAll();
        Collections.reverse(pipelineStateJsons);
        if (fromBeginning) {
            return BeanHelper.unwrapPipelineStatesNewAPI(pipelineStateJsons);
        } else {
            int toIndex = pipelineStateJsons.size() > 100 ? 100 : pipelineStateJsons.size();
            return BeanHelper.unwrapPipelineStatesNewAPI(pipelineStateJsons.subList(0, toIndex));
        }
    } catch (IOException e) {
        throw new PipelineStoreException(ContainerError.CONTAINER_0115, pipelineName, rev, e.toString(), e);
    }
}

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From source file:org.gitia.jdataanalysis.JDataAnalysis.java

private void obtainData() {
    try {/*from w  w  w  . j ava2 s. c o m*/
        CSVFormat csvf;
        if (this.isHeader) {
            csvf = CSVFormat.DEFAULT.withHeader();

            parser = new CSVParser(new FileReader(path), csvf);
            datos = IteratorUtils.toList(parser.iterator());
            data = new String[datos.size()][datos.get(0).size()];
            for (int i = 0; i < datos.size(); i++) {
                for (int j = 0; j < datos.get(0).size(); j++) {
                    data[i][j] = datos.get(i).get(j);
                }
            }

        } else {
            csvf = CSVFormat.DEFAULT.withIgnoreHeaderCase(isHeader);

            CsvMapper mapper = new CsvMapper();
            // important: we need "array wrapping" (see next section) here:
            mapper.enable(CsvParser.Feature.WRAP_AS_ARRAY);
            File csvFile = new File("src/main/resources/handwrittennumbers/mnist_train_in.csv"); // or from String, URL etc
            MappingIterator<double[]> it = mapper.readerFor(double[].class).readValues(csvFile);
            int a = 1;
            List<double[]> listData = it.readAll();
            double[][] data = new double[listData.size()][listData.get(0).length];
            for (int i = 0; i < listData.size(); i++) {
                data[i] = listData.get(i);
                System.out.println(a++ + ":\t");
            }
            SimpleMatrix A = new SimpleMatrix(data);
            A.print();

        }
        parser = new CSVParser(new FileReader(path), csvf);
        datos = IteratorUtils.toList(parser.iterator());
        data = new String[datos.size()][datos.get(0).size()];
        for (int i = 0; i < datos.size(); i++) {
            for (int j = 0; j < datos.get(0).size(); j++) {
                data[i][j] = datos.get(i).get(j);
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(JDataAnalysis.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:org.wso2.developerstudio.datamapper.diagram.schemagen.util.SchemaGeneratorForCSV.java

/**
 * Read objects from CSV/*from  ww w .j  a va2s. c  om*/
 * 
 * @param content
 * @return
 * @throws IOException
 */
public List<Map<String, String>> readObjectsFromCsv(String content) throws IOException {
    CsvMapper mapper = new CsvMapper();
    CsvSchema schema = CsvSchema.emptySchema().withHeader();
    MappingIterator<Map<String, String>> it = mapper.readerFor(Map.class).with(schema).readValues(content);
    return it.readAll();
}

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